Problems from The 2020 ICPC Vietnam National Contest

Name
Fastest
Shortest
Total
Acc.
Ratio
Difficulty
Languages
Astrological Sign0.003603194119838%2.5Easyen
Battle of Hogwarts0.0673399224725%5.5Harden
Cable Car0.002822675320%8.0Harden
Dividing Kingdom0.3416243848121%6.0Harden
Easy Arithmetic0.0822082846021%7.7Harden
Fluffy Cat0.0114322333515%8.0Harden
Greatest Pair0.66143473214620%5.7Harden
Highway to Mount Fansipan0.03347101727327%4.1Mediumen
Infinite 2D Array0.0445663317928%5.5Harden
Just Enough Water0.0070838013235%4.5Mediumen
Kingdom of Cats0.0074369519428%4.9Mediumen
Looping Around0.4718582774617%7.6Harden
Malfunctioning Robot0.0074128936228%3.8Mediumen